Name:____________________________________ Date: ________ Period: _________ Characteristics of Life Intro Unit: Biology Study Guide 1. Define independent variable. What axis would it be found on a graph? What is a helpful question to find the IV? 2. Define independent variable. What axis would it be found on a graph? What is a helpful question to find the IV? 3. Define and give an example of a control. – 4. Define and give an example of a constant. 5. Define and give an example of bias. – 6. For an experiment to be valid, how many independent variables should be present in an experiment? 7. True or false? Scientists repeat experiments and run multiple trials to get multiple sets of data. 8. Write an observation based on the information from the line graph below. 9. What are the 7 characteristics that qualify an organism as living? a. b. c. d. Name:____________________________________ Date: ________ Period: _________ e. f. g. 10. What are the three parts of cell theory? a. b. c. 11. Create a timeline for the cell theory including all major scientists. 12. Explain each component of the CER: a. b. c. 13. Are viruses living? Give at least three reasons for why/why not. a. b. c. 14. Complete the chart to compare and contrast prokaryotic and eukaryotic cells. Prokaryotic Both Eukaryotic Name:____________________________________ Date: ________ Period: _________ 15. What organelles are found in plant cells but not in animal cells? a. b. c. 16. Complete the chart: Organelle Cell wall Cell membrane Nucleus Nucleolus Cytoplasm (Cytosol) Description Type of cell Location in cell Function Name:____________________________________ Date: ________ Period: _________ Organelle Ribosome Mitochondria Smooth Endoplasmic Reticulum Rough Endoplasmic Reticulum Golgi body Lysosome Description Type of cell Location in cell Function Name:____________________________________ Date: ________ Period: _________ Organelle Description Type of cell Location in cell Microtubule/ microfilament Chloroplast Animal cells: Vacuole Plant cells: Function Characteristics of Life Complete the following sentences with words from 1. Living things need 2. Anything an organism responds to is a(n) 3. The ability to remain stable is called The smallest units 5. Another term for living things is The reaction to a stimulus is called a 1. 2. Which of the a. grass b. amoeba A b. 3. b. into a growth frog over its lifetime. dogs mate and produce a puppy. This growth development b. 5. For a. is an C. homeostasis d. reproduction example of. C. homeostasis d. reproduction following is an example of a response to stimulus? you are tired you are hot a mosquito d. worn This is called development Which of the a. _ C. Two a. 4. of life are known as following is NOTa multicellular organism? tadpole tums a. characteristics of life lesson. for sleeping. thinking. eating and moving. 4 6. the C. you eat food d. you are scared C. homeostasis plant, sunlight is an example of internal stimulus b. external stimulus d. reproduction 6. Which of the following is NOT a method your body automatically uses a. taking a cool shower b. 7. C.shivering to regulate homeostasis? sweating d. change the flow of blood Growth of multicellular organisms is mostly due to an increase in the of cells. a. size C. b. protons d. allof the above number Say was created to test the effccts aunat i people listened 2 l , groups to jazz music of people were The hypothes1s of the experimen tne for longer periods of tinc. For ofiazz on pcople's slcep patterns. as they fall aslecp, they will slecp created. One group was placed in a quict room where they went to slcep wherC ja77 musiC piaycu dndthey were timed on how long they slept. The other group was placed in a room were softly as they began to sleep andplayed throughout the night. As cach group awoke, ther sleep times monitored. Dependent Variable: Control Group: Independent Variable: Experimental Group:. List several things that need to be constant between the two groups. 2. Quantitative vs. Qualitative For the list below write which term describe the observations. I t is light green in color. It tastes sour. One leaf is 9 cm long. It makes a loud pop sound. The mass of the computer is 1.5 kg. It smells sweet. The temperature of the room increases by 8 °C. t gets darker over a period of time. The flower clusters in 3 blooms. .It feels very rough. 3. CER What does each letter in CE R stand for? Define each of the three words in the space below. Two types of cells What do ALL cells have in common? EURAKYOTICCELLS What is unique about EUKARYOTIC cells? What types of organisms have eukaryotic cell structure? PROKARYOTIC CELLS What is unique about prokaryotic cells? What types of cells have In the space below create prokaryotic cell structure? a Venn Diagram showing the differences between a prokaryote and a eukaryote